PIC32MX470F512L-120/PT - 32-bit MCU, 120MHz, 512KB Flash | Microchip
N.º da peça: PIC32MX470F512L-120/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $8.92 | $8,92 |
| 10 | $8.03 | $80,30 |
| 100 | $7.14 | $714,00 |
| 500 | $6.42 | $3.210,00 |
| 1.000 | $5.71 | $5.710,00 |
PIC32MX470F512L-120/PT Visão geral
A 32-bit microcontroller (MCU) is an integrated processor that combines a high-performance CPU core, on-chip memory (Flash for code and SRAM for data), and a rich set of peripherals (ADC, timers, communication controllers) onto a single silicon die. Within the broader semiconductor hierarchy, a 32-bit MCU sits between an 8/16-bit MCU and a microprocessor (MPU); its advantage is integrating deterministic real-time control with enough compute headroom for protocol handling and modest graphics. The PIC32MX3/4 family, including the PIC32MX470F512L, is pin-compatible with most PIC24 and dsPIC DSC devices, easing migration across Microchip's portfolio.
Key features of the PIC32MX470F512L-120/PT include 512 KB of Flash, 128 KB of RAM, up to 82 I/O lines, an on-chip 10-bit ADC with up to 28 input channels, multiple UART, SPI, I2C, and I2S interfaces, two analog comparators, and a 5-bit CTMU for capacitive touch. A Fail-Safe Clock Monitor (FSCM) and multiple interrupt vectors with individually programmable priority support robust real-time systems.
Architecturally, the MIPS32 M4K core is paired with a multi-vector interrupt controller, a peripheral bus bridge, and dedicated DMA, enabling deterministic response while sustaining high throughput. Hardware multiply/divide and a tightly-coupled prefetch buffer reduce instruction-cycle overhead; the bus matrix arbitrates between CPU, DMA, and peripheral traffic.
Typical applications for this part include industrial control and HMI panels, USB device/host bridges, audio playback peripherals using I2S codecs, graphical user interfaces with PMP-driven TFTs, and consumer/embedded products requiring USB connectivity. The wide peripheral mix also suits data loggers, sensor hubs, and low-cost motor control reference platforms. Automotive-grade (-120V) variants extend the family into AEC-Q100 Grade 2 designs.
A core design consideration is that the device operates at 2.3 V to 3.6 V; mixed-voltage peripherals need level shifters. Decoupling, trace impedance for USB DP-99D90/DM lines, and PMP timing closure are the most common board-level issues. JTAG/ICSP pin pairs (PGECx/PGEDx) must be assigned as matched pairs; both VDD/VSS rails must be bypassed per datasheet recommendations.
This page synthesizes Microchip distributor pricing, same-family drop-in alternatives (PIC32MX570F512L, PIC32MX460F512L), and practical design notes not consolidated in the manufacturer's datasheet. Engineers evaluating pin-compatible replacements or sourcing for production will benefit from the structured comparison and decision guidance below.
Alternativas drop-in para PIC32MX470F512L-120/PT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC32MX470F512L-120/PT (mesmo formato e footprint) — diferindo em ADC, Package, Operating Temperature, I/O Pins, Core Architecture.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC32MX460F512L-80I/PT
✅ Drop-In✓ Em estoque
$6.05 / unidade
Ver ficha técnica →PIC32MX470F512L-I/PT
✅ Drop-In✓ Em estoque
$6.32 / unidade
Ver ficha técnica →PIC32MX470F512L-120/PF
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
PIC32MX370F512L-I/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX570F512L-120/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX460F512L-80V/PT
✅ Drop-In✓ Em estoque
$9.8 / unidade
Ver ficha técnica →PIC32MX370F512LT-I/PT
✅ Drop-In✓ Em estoque
$5.75 / unidade
Ver ficha técnica →PIC32MX470F512L-120/PT Classificações máximas e características elétricas
| Core Architecture | MIPS32 M4K |
| Core Bit Width | 32-bit |
| Maximum CPU Frequency | 120 MHz |
| DMIPS Performance | 150 DMIPS |
| Flash Program Memory | 512 KB |
| SRAM Data Memory | 128 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| Faixa de temperatura de operação | -40C to +105C (industrial) |
| Encapsulamento | 100-pin TQFP (PT) |
| I/O Pins | Up to 82 |
| ADC | 10-bit, up to 28 channels |
| USB Controller | USB 2.0 Full-Speed OTG |
| Communication Interfaces | 2x I2S/SPI, I2C, UART, PMP |
| Analog Comparators | 2 |
| CTMU | 5-bit Charge Time Measurement Unit |
| Tipo de montagem | Surface Mount |
| Nível MSL | 3 (168 hours) |
| Status RoHS | Compliant |
Configuração de pinos do PIC32MX470F512L-120/PT
| Pino 1 | RG15 — General-purpose I/O / PMP data |
| Pino 2 | RG14 — General-purpose I/O / PMP data |
| Pino 3 | RG13 — General-purpose I/O / SDA2 |
| Pino 4 | RG12 — General-purpose I/O / SCL2 |
| Pino 5 | RG11 — General-purpose I/O |
| Pino 6 | RG10 — General-purpose I/O |
| Pino 7 | RG9 — General-purpose I/O |
| Pino 8 | RG8 — General-purpose I/O |
| Pino 9 | VDD — Supply voltage (2.3V-3.6V) |
| Pino 10 | VSS — Ground |
| Pino 11 | RF0 — General-purpose I/O |
| Pino 12 | RF1 — General-purpose I/O |
| Pino 13 | RF2 — General-purpose I/O / SDA3 |
| Pino 14 | RF3 — General-purpose I/O / SCL3 |
| Pino 15 | RF4 — General-purpose I/O |
| Pino 16 | RF5 — General-purpose I/O |
| Pino 17 | RF6 — General-purpose I/O |
| Pino 18 | RF7 — General-purpose I/O |
| Pino 19 | RF8 — General-purpose I/O |
| Pino 20 | VSS — Ground |
| Pino 21 | VDD — Supply voltage (2.3V-3.6V) |
| Pino 22 | RD0 — General-purpose I/O |
| Pino 23 | RD1 — General-purpose I/O |
| Pino 24 | RD2 — General-purpose I/O |
| Pino 25 | RD3 — General-purpose I/O |
| Pino 26 | RD4 — General-purpose I/O |
| Pino 27 | RD5 — General-purpose I/O |
| Pino 28 | RD6 — General-purpose I/O |
| Pino 29 | RD7 — General-purpose I/O |
| Pino 30 | RD8 — General-purpose I/O |
| Pino 31 | RD9 — General-purpose I/O |
| Pino 32 | RD10 — General-purpose I/O |
| Pino 33 | RD11 — General-purpose I/O |
| Pino 34 | RD12 — General-purpose I/O |
| Pino 35 | RD13 — General-purpose I/O |
| Pino 36 | RD14 — General-purpose I/O |
| Pino 37 | RD15 — General-purpose I/O |
| Pino 38 | VSS — Ground |
| Pino 39 | VDD — Supply voltage (2.3V-3.6V) |
| Pino 40 | RC13 — General-purpose I/O |
| Pino 41 | RC14 — General-purpose I/O / RTCC |
| Pino 42 | RC15 — General-purpose I/O |
| Pino 43 | RB0 — General-purpose I/O / PGED1 |
| Pino 44 | RB1 — General-purpose I/O / PGEC1 |
| Pino 45 | RB2 — General-purpose I/O |
| Pino 46 | RB3 — General-purpose I/O |
| Pino 47 | RB4 — General-purpose I/O |
| Pino 48 | RB5 — General-purpose I/O |
| Pino 49 | RB6 — General-purpose I/O / PGED2 |
| Pino 50 | RB7 — General-purpose I/O / PGEC2 |
| Pino 51 | RB8 — General-purpose I/O |
| Pino 52 | RB9 — General-purpose I/O |
| Pino 53 | RB10 — General-purpose I/O |
| Pino 54 | RB11 — General-purpose I/O |
| Pino 55 | RB12 — General-purpose I/O |
| Pino 56 | RB13 — General-purpose I/O |
| Pino 57 | RB14 — General-purpose I/O |
| Pino 58 | RB15 — General-purpose I/O |
| Pino 59 | VSS — Ground |
| Pino 60 | VDD — Supply voltage (2.3V-3.6V) |
| Pino 61 | RA0 — General-purpose I/O |
| Pino 62 | RA1 — General-purpose I/O |
| Pino 63 | RA2 — General-purpose I/O |
| Pino 64 | RA3 — General-purpose I/O |
| Pino 65 | RA4 — General-purpose I/O |
| Pino 66 | RA5 — General-purpose I/O |
| Pino 67 | RA6 — General-purpose I/O |
| Pino 68 | RA7 — General-purpose I/O |
| Pino 69 | RA9 — General-purpose I/O |
| Pino 70 | RA10 — General-purpose I/O / VREF+ |
| Pino 71 | RA14 — General-purpose I/O / AEREF0 |
| Pino 72 | RA15 — General-purpose I/O |
| Pino 73 | VSS — Ground |
| Pino 74 | VDD — Supply voltage (2.3V-3.6V) |
| Pino 75 | RE0 — General-purpose I/O / PMD0 |
| Pino 76 | RE1 — General-purpose I/O / PMD1 |
| Pino 77 | RE2 — General-purpose I/O / PMD2 |
| Pino 78 | RE3 — General-purpose I/O / PMD3 |
| Pino 79 | RE4 — General-purpose I/O / PMD4 |
| Pino 80 | RE5 — General-purpose I/O / PMD5 |
| Pino 81 | RE6 — General-purpose I/O / PMD6 |
| Pino 82 | RE7 — General-purpose I/O / PMD7 |
| Pino 83 | RE8 — General-purpose I/O |
| Pino 84 | RE9 — General-purpose I/O |
| Pino 85 | VSS — Ground |
| Pino 86 | VDD — Supply voltage (2.3V-3.6V) |
| Pino 87 | RG0 — General-purpose I/O / PMP |
| Pino 88 | RG1 — General-purpose I/O / PMP |
| Pino 89 | RG2 — General-purpose I/O / D+ |
| Pino 90 | RG3 — General-purpose I/O / D- |
| Pino 91 | RG6 — General-purpose I/O |
| Pino 92 | RG7 — General-purpose I/O |
| Pino 93 | RG8 — General-purpose I/O |
| Pino 94 | RG9 — General-purpose I/O |
| Pino 95 | VSS — Ground |
| Pino 96 | VDD — Supply voltage (2.3V-3.6V) |
| Pino 97 | MCLR — Master Clear (reset) input |
| Pino 98 | OSC1 — Crystal oscillator input |
| Pino 99 | OSC2 — Crystal oscillator output |
| Pino 100 | VSS — Ground |
Aplicações típicas
PIC32MX470F512L-120/PT é adequado para 7 aplicaçãos: USB Audio Device, Graphical HMI with TFT LCD, Industrial Sensor Hub / Data Logger, USB Device / Host Bridge, Capacitive Touch Control Panel, Audio Playback with I2S Codec, Low-Cost Motor Control Reference Platform.
USB Audio Device
The PIC32MX470F512L-120/PT integrates a USB 2.0 Full-Speed OTG controller alongside two I2S/SPI modules and 128 KB of SRAM, making it well-suited for USB audio peripherals such as USB headsets, USB DACs, and USB-to-I2S bridges. With 120 MHz / 150 DMIPS of MIPS32 M4K performance, the device can run a USB audio class driver, manage DMA-fed I2S streams, and handle HID volume controls simultaneously. Its 512 KB Flash is enough to host a full USB stack plus application firmware, while the 10-bit ADC supports auxiliary analog monitoring. Power consumption can be tuned through Microchip's idle/sleep modes, allowing battery-friendly operation for portable audio use cases.
Recomendado
Graphical HMI with TFT LCD
With a Parallel Master Port (PMP) capable of driving TFT LCDs and 120 MHz of CPU headroom, the PIC32MX470F512L-120/PT serves as the host MCU for graphical human-machine interfaces (HMIs) in industrial control panels and appliances. The 128 KB SRAM is enough for small frame buffers, while the 512 KB Flash can host Microchip's graphics library plus application code. Peripheral Pin Select (PPS) reassigns digital functions to nearly any I/O, simplifying PCB routing for touch and display. CTMU enables capacitive touch sensing for buttons and sliders behind the cover glass, reducing mechanical parts.
Recomendado
Industrial Sensor Hub / Data Logger
The PIC32MX470F512L-120/PT's 10-bit ADC with up to 28 input channels, two analog comparators, and multiple UART/SPI/I2C ports enable multi-sensor aggregation in industrial monitoring equipment. Industrial -40C to +105C temperature rating supports factory floor deployments. With 120 MHz of compute, the device can sample, condition, and timestamp sensor data into a local buffer before forwarding via UART, SPI, or USB. CTMU extends the analog front-end to capacitive and ratiometric measurements (e.g., temperature, humidity, strain). Fail-Safe Clock Monitor (FSCM) maintains deterministic behavior even under noisy power conditions.
Recomendado
USB Device / Host Bridge
The integrated USB 2.0 OTG controller supports both USB device and limited host roles, allowing the PIC32MX470F512L-120/PT to act as a USB-serial/UART/SPI bridge between a host PC and legacy peripherals. The 120 MHz core handles the full-speed USB protocol stack, while 512 KB Flash hosts CDC/ACM, HID, or vendor-class firmware. Industrial temperature rating and 2.3V-3.6V operation suit embedded installations. PPS flexibility keeps board routing dense even when exposing USB alongside UART, I2C, and GPIO.
Recomendado
Capacitive Touch Control Panel
The PIC32MX470F512L-120/PT integrates a Charge Time Measurement Unit (CTMU) that simplifies capacitive touch sensing for buttons, sliders, and proximity wake-up. Combined with Peripheral Pin Select and the 100-pin TQFP's high I/O count, the device supports multi-zone touch panels behind glass or plastic overlays without dedicated touch ICs. The 120 MHz CPU runs Microchip's mTouch firmware libraries and processes gestures in real time. 128 KB SRAM is enough for touch state machines and debounce buffers. Industrial temperature rating suits kitchen, automotive, and outdoor use.
Recomendado
Audio Playback with I2S Codec
Two I2S/SPI modules on the PIC32MX470F512L-120/PT let designers connect external audio codecs for stereo playback and recording. 128 KB SRAM is sufficient for buffer-based audio streaming using DMA-fed I2S, while 512 KB Flash holds audio decoders such as MP3 or WAV. The 120 MHz MIPS32 M4K core sustains decoding and DMA servicing concurrently without dropping samples. CTMU and the ADC add auxiliary analog inputs for line-level monitoring. Industrial temperature and 2.3-3.6V operation support consumer audio docks and intercom units.
Recomendado
Low-Cost Motor Control Reference Platform
The PIC32MX470F512L-120/PT's combination of 120 MHz CPU, PWM-capable timers, ADCs, and quadrature encoder interfaces enables a low-cost brushless DC or stepper motor control platform. The MIPS32 M4K core runs FOC or trapezoidal commutation algorithms in real time, while PPS routes peripheral functions to convenient pins. Industrial temperature rating suits motor enclosures. 512 KB Flash fits reference algorithms plus tuning parameters. Designers can prototype using Microchip's motor control libraries and migrate to a smaller PIC32MX variant for production.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC32MX470F512L-120/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC32MX460F512L-80I/PT | PIC32MX470F512L-I/PT | PIC32MX570F512L-120/PT | PIC32MX370F512L-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (PT) 12x12 mm | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PT) 12x12 mm - same |
| Maximum CPU Clock | 120 MHz | 80 MHz (-33%) | 80 MHz (-33%) | 120 MHz (same) | 80 MHz (-33%) |
| Flash Program Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM Data Memory | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) |
| USB Controller | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG |
| Operating Temperature | -40C to +105C | -40C to +85C | -40C to +105C | -40C to +105C | -40C to +105C |
| Operating Voltage | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V |
| Approx. Unit Price (qty-1) | $8.92 | $7.60 | $8.10 | $9.50 | $7.40 |
Principais diferenciais
- Highest-speed grade in the PIC32MX470 family at 120 MHz / 150 DMIPS (vs PIC32MX460F512L-80I/PT)
- Full SRAM complement of 128 KB vs reduced 64 KB in lower-spec siblings (vs PIC32MX370F512L-I/PT)
- Industrial -40C to +105C temperature range vs commercial 0C to +70C on I-suffix siblings (vs PIC32MX470F512L-120V/PT)
- Pin-compatible upgrade path to PIC32MX570 with expanded peripherals (vs PIC32MX570F512L-120/PT)
Notas de projeto
The PIC32MX470F512L-120/PT operates from a single 2.3 V to 3.6 V supply rail. Place a 0.1 uF decoupling capacitor as close as possible to each VDD pin (the 100-pin TQFP has six VDD pins and six VSS pins distributed around the package). A bulk 10 uF tantalum or ceramic capacitor on the main supply rail is recommended. If using the on-chip voltage regulator for the core, follow the Microchip reference schematic for the 1 uF/470 nF regulator output capacitor network; the exact value depends on whether you select the internal or external regulator mode.
USB DP/DM lines (RG2/RG3) must be routed as a 90 ohm differential pair with matched length and a continuous ground reference. Avoid stubs; place the USB series termination resistors close to the MCU. Keep crystal traces (OSC1/OSC2) short and surrounded by ground pour. For PMP-driven TFTs, route data/control lines together with matched lengths and isolate them from analog ADC inputs (RA0-RA15) with a ground barrier to reduce switching noise coupling into ADC readings.
ICSP/JTAG requires matched PGECx/PGEDx pairs - using PGEC2 without PGED2 (or vice versa) breaks in-circuit programming. Both VDD and VSS pins must be properly bypassed; floating any VDD pin causes unpredictable behavior. The MCLR pin requires a 10 kohm pull-up to VDD and a 100 nF cap to ground for reset stability. Programming voltage must NOT exceed 3.6 V on MCLR; applying 5 V to MCLR can damage the device on later silicon revisions.
The 100-pin TQFP (PT) package has limited thermal dissipation compared to QFN packages; at 120 MHz and high I/O toggle rates, junction temperature can rise noticeably. Estimated: at typical 50 MHz peripheral bus activity and 60 MHz CPU load, junction-to-ambient thermal resistance theta_JA is approximately 50 C/W, allowing up to ~1 W dissipation before exceeding the +105C industrial limit. Ensure the PCB layout includes a solid ground pour under the TQFP exposed die pad (where present) to maximize heat spreading.
PPS (Peripheral Pin Select) remaps digital peripherals to most I/O pins, but analog functions (ADC, comparators, CTMU) are fixed to specific pins. Plan the analog front-end around the fixed analog pin assignments first, then use PPS to route digital functions around the analog pins. For capacitive touch using CTMU, dedicated CTMU channels must be used; shared analog pins may have settling time considerations that affect touch accuracy. Add small RC filters on analog inputs in high-noise environments.
Informações de conformidade
RoHS compliant per Microchip product page. The PIC32MX470F512L-120/PT (standard -120 grade) is industrial temp grade, not AEC-Q100; the automotive -120V variant is AEC-Q100 Grade 2 qualified.
